CN109747104A - The assembly method of automobile meter pointer - Google Patents
The assembly method of automobile meter pointer Download PDFInfo
- Publication number
- CN109747104A CN109747104A CN201711060650.5A CN201711060650A CN109747104A CN 109747104 A CN109747104 A CN 109747104A CN 201711060650 A CN201711060650 A CN 201711060650A CN 109747104 A CN109747104 A CN 109747104A
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- China
- Prior art keywords
- pointer
- cavityplate
- needle guard
- molding
- mode
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The present invention relates to a kind of assembly methods of automobile meter pointer, through the following steps that realize: the forming part pointer of injection formed is put under ready-made needle guard in cavityplate；Pointer positions two locating pins on two location holes and lower cavityplate on pointer in mode to carry out；After needle guard upper cores plate and the molding of lower cavityplate, pointer is by the complete Bao Rong of plastics；The combination of pointer and needle guard is completed by this injection molding；After upper cores plate and lower cavityplate divide mould, molding sub-assembly has been left among lower mode, and the separation process of product and mold is completed by mandril；The beneficial effects of the present invention are: since pointer and needle guard become a part, solves matching problem all in assembling parts, the qualification rate of product is improved, the disqualification rate of the series of products is reduced to 5/1000ths hereinafter, substantially increasing the working efficiency of company by original percentage ten.
Description
Technical field
The present invention relates to the assembly sides of pointer and needle guard in a kind of automobile meter pointer more particularly to the automobile meter pointer
Method.
Background technique
Vehicle complete vehicle vehicle body data volume is big, and the co-ordination amount of each component and part is bigger, data often occurs repeatedly
The case where change, this is normal phenomenon in the process of development.
It is that must unconditionally accept, and to implement to during mould development rapidly for mould development factory.This
It is more to result in mould development change, is related to mould development change of plan, design alteration, manufacture change.But assembly plant pair
Duration will not generally change, it is desirable that mould development factory must ensure the duration by quality requirement, this is proposed for mould development factory
Harsh requirement.
From Fig. 1: the automobile meter pointer needs 3 components to be composed altogether.Wherein: pointer 1, needle guard
2, light-guiding pillar 3.
The manufacture of the automobile meter pointer needs assembly crewman that pointer 1 is packed into 2 needle guards first in the prior art, so
Keep 3 components complete as one riveting by two legs on 2 welding holes and needle guard 2 on light-guiding pillar 3 afterwards
Whole pointer component parts.From Fig. 2 it can be seen that the face rotary table B of 2 that embedded pointer of centre of needle guard, its thickness
Degree is 1.1mm, and the most width connecting out with pillowcase front end is also 1.1mm；The material of general needle guard is using ABS original
Material, with its intensity, often in subsequent assembling process will lead to the problem of fit clearance.The excessive pointer of fit clearance will
Light leakage, gap is too small, is easy in an assembling process to upwarp the face B.
This method is solved the problems, such as only there are two scheme, first scheme allows client to change product structure, but to some harshnesses
Client for this is also more difficult than stepping on day；That only tackles problems on one's own, but if after applicant has changed product structure,
Even if testing by properties of product, the appearance and size report of client still can't pass, therefore can only consider to solve in fit on
Method.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of assembly methods of automobile meter pointer, it is intended in solution
The problem of stating.
In order to solve the above-mentioned technical problem, the present invention through the following steps that realize:
The forming part pointer of injection formed is put under ready-made needle guard in cavityplate；
Pointer positions two locating pins on two location holes and lower cavityplate on pointer in mode to carry out；
After needle guard upper cores plate and the molding of lower cavityplate, pointer is by the complete Bao Rong of plastics；
The combination of pointer and needle guard is completed by this injection molding；
After upper cores plate and lower cavityplate divide mould,
Molding sub-assembly has been left among lower mode, and the separation process of product and mold is completed by mandril.
Compared with prior art, the beneficial effects of the present invention are: being solved since pointer and needle guard become a part
All matching problems in assembling parts improve the qualification rate of product, and the disqualification rate of the series of products is by original percentage
Ten are reduced to 5/1000ths hereinafter, substantially increasing the working efficiency of company.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automobile meter pointer；
Fig. 2 is the structural schematic diagram of needle guard in Fig. 1；
Fig. 3-Fig. 6 is flow diagram of the present invention.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
The present invention through the following steps that realize:
As shown in Fig. 3: the forming part pointer 1 of injection formed is put under ready-made needle guard in mode b plate；
Positioning two locating pins 4 by two location holes 5 and lower mode b plate pointer on of the pointer in mode b
Come carry out；
As shown in Fig. 4, Fig. 5: after needle guard upper cores a plate and the molding of lower mode b plate, pointer is wrapped completely by plastics
Melt；
The combination of pointer and needle guard 2 is completed by this injection molding；
After upper cores plate a and lower cavityplate b divide mould,
As shown in Fig. 6: molding sub-assembly 7 has been left among lower mode b, completed by mandril 6 product and
The separation process of mold.
Traditional handicraft is first to be molded by 3 components respectively, is sent to assembly shop and carries out assembling forming.And this
Invention is that pointer part is embedded in needle guard mold to be molded together, since pointer and needle guard become a part, the program
It solves matching problem all in assembling parts, improves the qualification rate of product, the disqualification rate of the series of products is by original
Percentage ten be reduced to 5/1000ths hereinafter, substantially increasing the working efficiency of company.
Claims (1)
1. a kind of assembly method of automobile meter pointer, through the following steps that realize:
The forming part pointer of injection formed is put under ready-made needle guard in cavityplate；
Pointer positions two locating pins on two location holes and lower cavityplate on pointer in mode to carry out；
After needle guard upper cores plate and the molding of lower cavityplate, pointer is by the complete Bao Rong of plastics；
The combination of pointer and needle guard is completed by this injection molding；
After upper cores plate and lower cavityplate divide mould, molding sub-assembly has been left among lower mode, complete by mandril
At the separation process of product and mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060650.5A CN109747104A (en) | 2017-11-02 | 2017-11-02 | The assembly method of automobile meter pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060650.5A CN109747104A (en) | 2017-11-02 | 2017-11-02 | The assembly method of automobile meter pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109747104A true CN109747104A (en) | 2019-05-14 |
Family
ID=66399195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060650.5A Pending CN109747104A (en) | 2017-11-02 | 2017-11-02 | The assembly method of automobile meter pointer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109747104A (en) |
-
2017
- 2017-11-02 CN CN201711060650.5A patent/CN109747104A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190514 |